The following table shows the demand curve facing a monopolist who produces at a constant marginal cost of $10. Price Quantity27 .......... 024 .......... 221 .......... 418 .......... 615 .......... 812 .......... 109 ........... 126 ........... 143 ........... 160 ........... 18a. Calculate the firm’s marginal revenue curve.b. What are the firm’s profit-maximizing output and price? What is its profit?c. What would the equilibrium price and quantity be in a competitive industry?d. What would the social gain be if this monopolist were forced to produce and price at the competitive equilibrium? Who would gain and lose as a result?